linux-kernel - Re: usb fails to suspend [was: mmotm 2009-06-05-16-19]

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Date:	Sun, 7 Jun 2009 00:28:32 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: Re: usb fails to suspend [was: mmotm 2009-06-05-16-19]

On Saturday 06 June 2009, Jiri Slaby wrote:
> Hi,
> 
> there is a suspend regression somewhere between mmotm 2009-05-17-12-15
> and 2009-06-05-16-19:
> hcd_pci_suspend_noirq(): pci_prepare_to_sleep+0x0/0x80 returns -19
> pci_pm_suspend_noirq(): hcd_pci_suspend_noirq+0x0/0xb0 returns -19
> pm_noirq_op(): pci_pm_suspend_noirq+0x0/0x180 returns -19
> PM: Device 0000:00:1d.2 failed to suspend late: error -19
> 
> $ lspci -xxvvs 0000:00:1d.2
> 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
> Controller #3 (rev 02) (prog-if 00 [UHCI])
>         Subsystem: Intel Corporation 82801I (ICH9 Family) USB UHCI
> Controller #3
>         Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
> ParErr- Stepping- SERR- FastB2B- DisINTx-
>         Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>         Latency: 0
>         Interrupt: pin D routed to IRQ 16
>         Region 4: I/O ports at d000 [size=32]
>         Capabilities: [50] Vendor Specific Information <?>
>         Kernel driver in use: uhci_hcd
> 00: 86 80 36 29 05 00 90 02 02 00 03 0c 00 00 00 00
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 01 d0 00 00 00 00 00 00 00 00 00 00 86 80 36 29
> 30: 00 00 00 00 50 00 00 00 00 00 00 00 05 04 00 00
> 
> Any ideas?

Not really.  Is it -mm-only or is the mainline affected too?
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